Please Help!!!! ASAP!! I will mark Brainliest!!! Please awnser CORRECTLY!! No guessing.

Answer:
C
Step-by-step explanation:
f(5) means we must plug in 5 wherever we see an x in the function.
[tex]f(x) = \frac{1}{9} 3^{x}[/tex]
[tex]f(5) = \frac{1}{9} 3^{5}[/tex]
[tex]f(5) = \frac{1}{9} * 243[/tex]
[tex]f(5) = \frac{243}{9} = 27[/tex]
So f(5) = 27! The answer is C.